net: merge V2Transport constructors, move key gen

This removes the ability for BIP324Cipher to generate its own key, moving that
responsibility to the caller (mostly, V2Transport). This allows us to write
the random-key V2Transport constructor by delegating to the explicit-key one.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/bip324.h b/src/bip324.h
index 0238c479c0..28e7c411ea 100644
--- a/src/bip324.h
+++ b/src/bip324.h
@@ -41,8 +41,8 @@ private:
     std::array<std::byte, GARBAGE_TERMINATOR_LEN> m_recv_garbage_terminator;
 
 public:
-    /** Initialize a BIP324 cipher with securely generated random keys. */
-    BIP324Cipher() noexcept;
+    /** No default constructor; keys must be provided to create a BIP324Cipher. */
+    BIP324Cipher() = delete;
 
     /** Initialize a BIP324 cipher with specified key and encoding entropy (testing only). */
     BIP324Cipher(const CKey& key, Span<const std::byte> ent32) noexcept;